import sys
from PyQt5.QtWidgets import QMainWindow, QApplication
 
 
class Example(QMainWindow):
     
    def __init__(self):
        super().__init__()
         
        self.initUI()
         
         
    def initUI(self):              
         
        self.statusBar().showMessage('Ready')
         
        self.setGeometry(300, 300, 250, 150)
        self.setWindowTitle('Statusbar')   
        self.show()
 
 
if __name__ == '__main__':
     
    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())
